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Individual Calculations September 2009 |
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| Antoniadis, Konstantinos Total change: 38.25 | |   |
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| 2nd Open below 1800 national rating | Pagrati - Athens | GRE | 2009-05-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1801 | 1823 | 5.50 | 6 | 2.35 | 15 | 35.25 | |
|  Doulidis, Pavlos-Georgios | | | 1550 | GRE | 1.00 | 1 | 0.17 | 15 | 2.55 | | | Fotiadis, Kleanthis | | | 1797 | GRE | 1.00 | 1 | 0.46 | 15 | 6.90 | |  Marianidis, Dimitrios | | | 1842 | GRE | 1.00 | 1 | 0.53 | 15 | 7.95 | | | Vlahos, Ellisseos | | | 2005 | GRE | 0.50 | 1 | 0.24 | 15 | 3.60 | | | Soursos, Panayotis | | | 1697 | GRE | 1.00 | 1 | 0.33 | 15 | 4.95 | | | Nikolaidis, Georgios | | | 1912 | GRE | 1.00 | 1 | 0.62 | 15 | 9.30 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | | | 4th International Open Chess Tourn. "Summer Cup 2009" | N.Marmaras, Halkidiki | GRE | 2009-07-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1971 | 1824 | 1.50 | 4 | 0.20 | 15 | 3.00 | |
| | Gamback, Bjorn | | | 2182 | SWE | 0.00 | 1 | -0.10 | 15 | -1.50 | | | Misailidis, Panagiotis | | | 1525 | GRE | 1.00 | 1 | 0.15 | 15 | 2.25 | | | Csonka, Balazs | | | 2062 | HUN | 0.50 | 1 | 0.30 | 15 | 4.50 | | | Spiropoulos, Panagiotis I | | | 2115 | GRE | 0.00 | 1 | -0.15 | 15 | -2.25 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | |
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